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37results about How to "Show stability" patented technology
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Convolutional neural network channel pruning method based on model fine tuning
PendingCN111931914AImprove performanceShow stabilityNeural architecturesNeural learning methodsFeature extractionData set
The invention relates to a convolutional neural network channel pruning method and system based on model fine tuning. The method comprises the steps: constructing a convolutional neural network classification model, wherein the model is composed of a feature extractor and a classifier, the feature extractor comprises a convolution layer and a pooling layer, training is carried out on an Image Netimage classification data set, and a pre-training model C is obtained; modifying a classifier of the pre-training model C, setting the category number output by a classifier full connection layer as atarget category, and performing sparsity training on a target data set to obtain a converged model C '; pruning the sparsely trained model C'according to a channel pruning strategy to obtain a prunedmodel C ''; carrying out fine adjustment on the pruned model C ''on a target data set so as to improve the performance of the pruned model. The invention provides the convolutional neural network channel pruning method and system based on the model fine tuning, the global sorting of batch normalization layer scaling parameters is carried out, the channel retention rate of each to-be-pruned network layer is limited, and a to-be-pruned channel is selected in a network;
Owner:BEIJING INST OF COMP TECH & APPL
All-weather environment simulation system for vehicle testing and control method of system
PendingCN106840690AReduce the number of timesLow costVehicle testingExhaust gasEnvironmental simulation
An all-weather environment simulation system for vehicle testing comprises a sunshine simulation system, a rain simulation system, a wind creating system, an exhaust emission treatment system and a testing chamber. The wind creating system comprises multiple air outlets and four groups of blowers, the air outlets are uniformly distributed in the four side walls of the testing chamber, the air outlets formed in the four walls of the testing chamber are connected with the blowers respectively, and the blowers are connected with control units respectively. Accordingly, various weather conditions such as temperature, humidity, sunshine and rain can be simulated, the wind speeds of the front wall, the rear wall, the left wall and the right wall can be controlled, the influence of the wind speeds in actual vehicle operation is fit, the road test frequency is greatly reduced, and the cost is greatly lowered.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
Biological flora suspending agent for degrading petroleum and preparation method and application method thereof
ActiveCN101857840AImprove degradation efficiencyAvoid processing limitationsWaste water treatment from quariesBacteriaSuspending AgentsMicrobiology
The invention relates to a biological flora suspending agent for degrading petroleum and a preparation method and an application method thereof. The biological flora suspending agent consists of the following components in part by volume: 1 to 2 parts of DQ5 bacillus suspension, 1 part of DQ10 bacillus suspension, 1 to 2 parts of DQ11 enterobacter suspension, 1 part of DQ16 bacillus suspension, 0.5 to 1 part of DQ26 bacillus suspension, 1 part of DQ62 bacillus suspension and 0.5 to 1 part of DQ85 bacillus suspension. Compared with a single bacterial strain, the biological flora suspending agent has the advantages of simple building method, easy control, high repeatability and easy culture of selected bacterial strains.
Owner:SHANGHAI JIAO TONG UNIV
New material object display device for new material technical services
InactiveCN108937344AShow stabilityImprove cleanlinessShow cabinetsCleaning using gasesHydraulic cylinderDisplay device
The invention belongs to the technical field of new materials, and particularly relates to a new material object display device for new material technical services. The problem that the display effectof the new material object display device for new material technical services is poor is solved. According to the scheme, the device comprises a supporting base, vertically-arranged universal wheelsare connected to the outer walls of the four corners of the bottom of the supporting base, supporting plates are connected to the outer walls of the two sides of the supporting base through boles, andthe outer walls of the two ends of the bottoms of the two supporting plates are each connected with a vertically-arranged first hydraulic cylinder through a bolt. According to the new material objectdisplay device for new material technical services, by arranging an electric guide rail and an electric sliding block, a fixing clamping block is installed on the electric sliding block, a new material object needing to be displayed is fixed to a carrier plate, stability can be kept when the object is displayed, by rotating the rotating motor, the whole carrier plate is driven to rotate, and thenew material object can be displayed all-dimensionally.
Owner:上海曙赢新材料有限公司
Transparent uv-curable adhesive
InactiveUS20170166787A1Reduce interface reflectionPoor thicknessPolyureas/polyurethane adhesivesGraft polymer adhesivesAdhesiveUltraviolet
A transparent ultraviolet curable adhesive is a solventless composition, based on a total weight of the composition, being composed of 35-65 wt % of a polyurethane (meth)acrylate resin, 30-60 wt % of a (meth)acrylate monomer, 0.1-5 wt % of an acrylate group-containing bisphenol fluorene derivative, 0.3-8 wt % of a photopolymerization initiator and 0.002-0.01 wt % of a vinyl silane coupling agent; and, the adhesive if cured has a refractive index of 1.52-1.56 very close to 1.52 for a glass thereof and has a visible light transmittance of 93-99 VLT (%) so suitable to be adhered to displays, transparent conductive film and touch panels.
Owner:NANYA PLASTICS CORP
Word plate bonding device, bonding method and application thereof in automotive parts
The invention relates to a word plate bonding device, a bonding method and application thereof in automotive parts, a word plate (1) is bonded to a workpiece (35) by use of an adhesive tape (16), the adhesive tape (16) is double-sided sealed by use of films, and the device includes a sliding plate (5), a moving plate (13), a rotating plate (14), a workpiece placing block (7) and a pressing block (22) which are respectively driven by cylinders, a word plate placing block (8) with a word plate concave pit (9) on the surface is arranged on the sliding plate (5), an adhesive tape placing block (15) with an adhesive tape concave pit (17) on the surface is arranged on the rotating plate (14); when bonding, the word plate (1) and the adhesive tape (16) are firstly respectively placed in the word plate concave pit (9) and the adhesive tape concave pit (17), by sliding of the sliding plate (5), overturning of the rotating plate (14) and movement of the moving plate (13), the adhesive tape (16) is bonded to the word plate (1), the workpiece (35) is placed on the workpiece placing block (7) above the word plate placing block (8), then positioned and put down to bond with the adhesive tape (16) bonded to the word plate (1), and the pressing block (22) is sued to press and reinforce the bonding; the word plate bonding device is good in bonding effect, high in efficiency, and especially suitable for automotive tail door handle parts.
Owner:NINGBO MINTH AUTOMOTIVE PARTS RES&DEV CO LTD
Semiconductor element with semiconductor component embedded into a plastic housing
ActiveCN1996585AAvoid spreadingImprove reliabilitySemiconductor/solid-state device detailsSolid-state devicesSemiconductor structureSemiconductor device
A semiconductor device includes semiconductor device components embedded in plastic package compound, with a buffer layer being arranged on surfaces of the semiconductor device components of the semiconductor device. The buffer layer includes a thermoplastic material.
Owner:INFINEON TECH AG
Two-step mascara product
A two-step mascara product that includes a first mascara composition and a second mascara composition. The first mascara composition includes a film-forming polymer dispersed in a first carrier, and the second mascara composition includes a film-former selected from the group consisting of tall oil glycerides, pentaerythrityl rosinate, glyceryl rosinate, hydrogenated versions of these and mixtures thereof. The two-step mascara product also includes a package for storing and dispensing each of the first and second mascara compositions. The package includes a first container configured to store and dispense the first mascara composition and a second container configured to store and dispense the second composition.
Owner:NOXELL CORP
Liftable building design achievement exhibition device
The invention discloses a liftable building design achievement exhibition device, comprising a sleeve base, a telescopic rod and a motor, wherein the bottom end of the telescopic rod passes through the interior of the upper end of the sleeve base; the motor is fixedly installed on the outer surface of one side of the sleeve base; a display stand is fixedly installed on the outer surface of the upper end of the telescopic rod; a display inner board is fixedly installed at the bottom end in the display table. The liftable building design achievement exhibition device provided by the invention isprovided with the telescopic rod, a light-emitting diode (LED) lamp and movable gears, so that the exhibition device can go up and down, the height of an exhibited design achievement can be conveniently adjusted, and the display of the design achievement is facilitated; the device can be used for lighting the exhibited design achievement so as to improve the lighting effect of the exhibited design achievement, so that the better exhibition of the design achievement is facilitated; the lifting effect of the device is more stable, so that stable lifting is realized; the liftable building designachievement exhibition device has certain practicality, thus having better use prospect.
Owner:温海青
Power load prediction method
PendingCN110991722AImprove generalization abilityImprove forecast accuracyForecastingNeural architecturesData setLoad forecasting
The invention belongs to the technical field of power load prediction, and specifically relates to a power load prediction method. The power load prediction method comprises the following steps: S1, constructing a training data set and a test data set of a prediction model; S2, establishing a prediction model based on a hierarchical parallel Bayesian neural network; S3, inputting training samplesin the training data set into the prediction model based on the hierarchical parallel Bayesian neural network for training; and S4, inputting test data into a trained prediction model for prediction so as to obtain a power load prediction result. According to the invention, the power load is predicted by using the prediction model of the hierarchical parallel Bayesian neural network; the practicability of the model provided by the invention is verified by using actual power grid load data; and high prediction precision is achieved.
Owner:GUANGDONG POWER GRID CO LTD +1
Fountain system
ActiveCN108514983AImprove securityConvenience to workLiquid spraying apparatusEngineeringProtection layer
The invention relates to a fountain system. The fountain system comprises a main body and a left-auxiliary-connection fountain water pipe, wherein a fountain top is arranged at the upper end of the main body, and a side protection layer is connected to the outer side of the fountain top; an outer-disc fountain pipe is fixed to the upper end of the side protection layer, and a connection fasteningmechanism is arranged at the outer end of the outer-disc fountain pipe; a nozzle is formed in the upper end of the connection fastening mechanism, and a middle-disc fountain pipe is installed at the inner side of the connection fastening mechanism; a communication pipe is connected to the outer wall of the middle-disc fountain pipe, and an inner-disc fountain pipe is installed at the inner side ofthe middle-disc fountain pipe; and a connector is formed in the inner side of the inner-disc fountain pipe. The fountain system disclosed by the invention has the following beneficial effects: a right-side-connection water suction pipe and a filter suction head are arranged, and large impurities in water can be filtered through the filter suction head; and water is sucked in from the interior ofthe water suction pipe through the working of a first pressurized water pump and a second pressurized water pump to be conveyed, so that improvement for the injection power of water in a fountain is facilitated.
Owner:日照新睿招商发展有限公司
Treatment method of wastewater containing petroleum
InactiveCN102659252AHigh efficiency in degrading crude oilSignificant application potentialBiological water/sewage treatmentMicroorganismSaline water
The invention discloses a treatment method of wastewater containing petroleum by utilizing a microorganism flora. The method comprises the following steps: culturing bacillus and enterobacter to respectively obtain strains; cleaning, and re-preparing bacterium suspension with OD620nm between 10 and 12 with normal saline; mixing the bacillus and enterobacter to construct a manual flora in a volume size of (2-3):1; and inoculating the constructed manual flora into petroleum wastewater in a inoculation amount of 6 to 8 percent of the volume ratio to realize treatment to the petroleum containing wastewater. Experiments prove that the crude oil degradation rate of treating petroleum containing wastewater by utilizing microorganism flora is remarkably higher than that of a single strain, and foundation is established to large-scale application of artificially constructed flora in wastewater containing petroleum treatment.
Owner:SHANDONG UNIV
High-stability showing stand for valuable articles
ActiveCN112806781AShow stabilitySpeed up circulationShow cabinetsCleaning using gasesHollow coreIndustrial engineering
Owner:常州市筑友展示科技股份有限公司
Portable display device for construction drawings of construction site
The invention relates to a display device, in particular to a portable display device for construction drawings of a construction site. The technical problem to be solved by the invention is how to design the portable display device for the construction drawings of the construction site, wherein the portable display device is smaller in overall size and is more portable during manual carrying. Inorder to solve the technical problem, the portable display device for the construction drawings of the construction site comprises three supporting columns, wherein a first connecting rod is connectedamong the three supporting columns, and the three supporting columns are distributed in a triangular shape; a fixing rod connected to the top of the supporting column in the middle, and a rotating rod is connected to the fixing rod in a rotary-type mode; and a guide assembly is arranged between the supporting column in the middle and the fixing rod. Drawing is displayed through cooperative operation of the guide assembly, a pull-open assembly and a clamping assembly, and therefore the drawing display effect is achieved.
Owner:安徽筑恒建设有限公司
Combined display rack
InactiveCN104905607AFlexible combination layoutPractical and convenientShow shelvesShow hangersEngineeringMechanical engineering
Owner:华晨阳
Holographic multi-dimensional interactive display system
PendingCN114758099AImprove adaptabilityComprehensive serviceBuying/selling/leasing transactionsImage data processingComputer hardwareVirtualization
The holographic multi-dimensional interactive display system comprises a multi-dimensional display module, a multi-dimensional interaction module, a background management module and a virtualization module, the multi-dimensional display module is used for displaying an image of a product part model; the multi-dimensional interaction module remotely and synchronously interacts with the product part model through the virtual interaction unit; the background management module is used for specifying materials corresponding to selected products through a material management unit, and the data monitoring unit is used for monitoring data parameters of product part models in the multi-dimensional display module in an actual three-dimensional model state. The data analysis unit is used for analyzing data parameters of the product model in the multi-dimensional display module in different display states; and the virtualization module is used for manufacturing the product part model. The multi-dimensional display module, the multi-dimensional interaction module, the background management module and the virtualization module which are independently arranged are adopted, independent arrangement of all the modules can be achieved, more enterprises can be served through the modular combination mode, and the overall cost is low.
Owner:苏州维卡幻境智能科技有限公司
Anode plate inclined showing stand with high stability
ActiveCN113475909AAvoid slip damageEasy to displayCleaning using toolsShow shelvesEngineeringPhysics
The invention relates to a showing stand, in particular to an anode plate inclined showing stand with high stability. The invention provides the anode plate inclined showing stand with high stability, which ensures that the stability of an anode plate is relatively high and can show the anode plate in all directions. The anode plate inclined showing stand with high stability comprises a base, a showing stand, a baffle, first sliding blocks, first rotating rods and first supporting frames, the showing stand is arranged at the top of the base in a sliding mode, the baffle is arranged in the middle of the top of the showing stand, and the first sliding blocks are symmetrically arranged on the two sides of the showing stand in a sliding mode; and the first rotating rod is rotationally connected between the two first sliding blocks on the same side in the transverse direction, and first supporting frames used for placing the anode plates are arranged on the first rotating rods. According to the device, a limiting mechanism is arranged, and a contact switch controls a first electric push rod and a second electric push rod to move inwards, so that two first limiting blocks synchronously move inwards, the anode plate is fixed from one direction, and the anode plate is prevented from sliding off and being damaged in the display process.
Owner:深圳市壹玖玖零科技有限公司
fountain system
Owner:日照新睿招商发展有限公司
Method, system and device for loading stock data and storage medium
PendingCN109918424AQuick responseShow stabilityDigital data information retrievalFinanceClient-sideDatabase
The embodiment of the invention discloses a method, system and device for loading stock data and a storage medium, and the method further comprises the steps that a stock client collects user behaviordata of a user on the stock client, and the stock client sends the user behavior data to a server; the server generates a heat map according to the user behavior data; the server analyzes the user behavior, the behavior trend and the behavior distribution of the user on the stock client according to the heat map; after the server detects that the stock client is opened, a to-be-used target function of the user on the stock client is determined according to the user behavior, the behavior trend and the behavior distribution of the user on the stock client, the target function page is pre-processed, and the stock market data corresponding to the target function page is sent to the stock client; and the stock client displays the stock market data. According to the method and the device, thedelay of data from pulling to displaying can be shortened and the user experience is improved.
Owner:武汉优品楚鼎科技有限公司
Auxiliary equipment for language and literature management teaching
InactiveCN112908099AEasy to storePrevent moistureTeaching apparatusElectric machineryStructural engineering
The invention discloses auxiliary equipment for language and literature management teaching in the technical field of teaching auxiliary equipment. The equipment comprises a bottom plate, a plurality of rollers are arranged at the bottom end of the bottom plate, the rollers are provided with brakes, a push handle is fixed to the outer side of the bottom plate, and a plurality of storage mechanisms are arranged at the upper end of the bottom plate. A lifting electric push rod is installed at the upper end of the bottom plate, the upper end of the lifting electric push rod is connected with a mounting plate, a rotating shaft is rotationally arranged on the mounting plate, the rear end of the rotating shaft is connected with a driving motor, a U-shaped block is fixed to the upper end of the rotating shaft, a sliding groove is formed in the upper end of a bottom plate of the U-shaped block, a horizontal plate is fixed to the upper end of the U-shaped block, strip-shaped holes are symmetrically formed in the horizontal plate, position adjusting mechanisms are symmetrically arranged on the horizontal plate, and a protection mechanism is arranged on the inner side of the U-shaped block. A protective frame is arranged to cover the painting and calligraphy, so that the painting and calligraphy are prevented from being damaged by external factors, and the painting and calligraphy are prevented from being contaminated with dust. A pressing assembly is arranged to press and limit the painting and calligraphy, and the display process is more stable.
Owner:山东中医药高等专科学校
Name plate bonding device and bonding method and its application in automobile parts
The application relates to a nameplate bonding device and method and its application in automobile parts. The nameplate (1) is bonded to the work piece (35) by using an adhesive sheet (16) with a double-sided sealing film. The device consists of Sliding plate (5), moving plate (13), rotating plate (14), workpiece shelving block (7), pressing block (22) driven by respective cylinders, the surface of the sliding plate (5) is provided with plate pits (9) The plate shelving block (8) of the name plate, the surface of the rotating plate (14) is provided with the adhesive sheet shelving block (15) of the adhesive sheet pit (17); when bonding, the name plate (1) and the adhesive sheet (16) ) are respectively placed in the plate pit (9) and the adhesive sheet pit (17), and the adhesive sheet (16) is bonded by sliding the slide plate (5), flipping the rotating plate (14) and moving the moving plate (13). To the plate (1), put the workpiece (35) on the workpiece shelving block (7) positioned on the plate resting block (8) and put it down after positioning, and put it down with the adhesive sheet (16) on the plate (1) ) bonding, and then pressurized and reinforced by the pressing block (22); the bonding effect is good and the efficiency is high; it is especially suitable for automobile tailgate handles.
Owner:NINGBO MINTH AUTOMOTIVE PARTS RES&DEV CO LTD
Method and device for displaying points of interest
ActiveCN108846902BShow stabilityAvoid showing instability issuesImage enhancementImage analysisComputer science
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Ultrasonic beautifying device
InactiveCN1166421COutput level reducedUse diazepamUltrasound therapyVibration massageElectrical resistance and conductanceEngineering
An ultrasonic beautifying device suppressing unnecessary temperature elevation at a part where a probe is brought into contact with the skin. Since the electrical impedance of an ultrasonic vibrator may vary according to the contact or non-contact of an application member with the skin, a detection circuit detects the contact or non-contact of the application member with the skin by converting the current the ultrasonic vibrator current into a voltage, and a comparator compares this voltage with a reference voltage. When contact is detected by the detection circuit, a constant-voltage circuit sets the level of the constant voltage output to the ultrasonic oscillation circuit at a standard voltage, but when non-contact is detected, the constant voltage is switched to a lower-level constant voltage.
Owner:MATSUSHITA ELECTRIC WORKS LTD
Two-step mascara product
A two-step mascara product that includes a first mascara composition and a second mascara composition. The first mascara composition includes a film-forming polymer dispersed in a first carrier, and the second mascara composition includes a film-former selected from the group consisting of tall oil glycerides, pentaerythrityl rosinate, glyceryl rosinate, hydrogenated versions of these and mixtures thereof. The two-step mascara product also includes a package for storing and dispensing each of the first and second mascara compositions. The package includes a first container configured to store and dispense the first mascara composition and a second container configured to store and dispense the second composition.
Owner:NOXELL CORP
Movable trademark display shelf
The invention provides a movable trademark display shelf. The movable trademark display shelf includes a display shelf main body and trademark display boards. The display shelf main body includes a base, a supporting shaft, and a top seat. The upper end of the base is connected with the supporting shaft; circumference of the outer wall of the supporting shaft is provided with a plurality of fixingshaft combinations; each of the fixing shaft combinations is provided with fixing shafts sequentially arranged from the top to the bottom; each of the fixing shafts is sleeved by a driving roller; the driving rollers is provided with rotating belts; each of the rotating belts is provided with a circularly rolling trademark display belt; the trademark display belt is provided with a plurality of trademark display boards; one end of each of the fixing shaft combinations away from the supporting shaft is provided with a first positioning baffle plate; a plurality of LED lamps are disposed in thefirst positioning baffle; one end of each of the fixing shaft combinations close to the supporting shaft is provided with a second positioning baffle plate; and the upper part of the supporting shaftis provided with the top seat. The movable trademark display shelf is large in the number of display trademarks, is stable in display, is convenient in maintenance and usage, and is low in cost.
Owner:浙江麦知网络科技有限公司
A method, device, and terminal device for displaying content on the same screen
ActiveCN104808907BRealize displayEvenly loadedMultiprogramming arrangementsImage codingTerminal equipmentOn-screen display
Owner:TENCENT TECH (SHENZHEN) CO LTD
Precision medical instrument display device with storage function
InactiveCN111317308AShorten the timeThe display process is fast and convenientNon-rotating vibration suppressionShow shelvesDisplay deviceElectric machinery
The invention discloses a precision medical instrument display device with a storage function, and relates to the technical field of medical instruments. The precision medical instrument display device comprises a housing; the lower surface of the inner wall of the housing is fixedly connected with the lower surface of a transverse plate through an electric push rod; and sliding blocks are arranged on the left and right side surfaces of the transverse plate. According to the precision medical instrument display device with the storage function, through cooperation of the electric push rod, a motor, a connecting plate, a placing plate and a second placing groove, the electric push rod extends to drive the instrument body to move upwards; when the instrument body is moved to a height suitable for display, the electric push rod stops working, and meanwhile, the motor rotates to drive the instrument body to rotate for comprehensive display; and the instrument body can be displayed withoutbeing taken down from a relatively complex fixing device and then transferred to a display device in the display process, so that the time in taking out and transferring the instrument body can be saved, and the instrument body display process is relatively rapid and convenient.
Owner:陕西拉菲尔医学健康管理咨询有限公司
Transparent UV-curable adhesive
InactiveUS9752064B2Reduce interface reflectionPoor thicknessPolyureas/polyurethane adhesivesGraft polymer adhesivesAdhesiveUltraviolet
A transparent ultraviolet curable adhesive is a solventless composition, based on a total weight of the composition, being composed of 35-65 wt % of a polyurethane (meth)acrylate resin, 30-60 wt % of a (meth)acrylate monomer, 0.1-5 wt % of an acrylate group-containing bisphenol fluorene derivative, 0.3-8 wt % of a photopolymerization initiator and 0.002-0.01 wt % of a vinyl silane coupling agent; and, the adhesive if cured has a refractive index of 1.52-1.56 very close to 1.52 for a glass thereof and has a visible light transmittance of 93-99 VLT (%) so suitable to be adhered to displays, transparent conductive film and touch panels.
Owner:NANYA PLASTICS CORP
Biological flora suspending agent for degrading petroleum and preparation method and application method thereof
ActiveCN101857840BImprove degradation efficiencyAvoid processing limitationsWaste water treatment from quariesBacteriaSuspending AgentsMicrobiology
The invention relates to a biological flora suspending agent for degrading petroleum and a preparation method and an application method thereof. The biological flora suspending agent consists of the following components in part by volume: 1 to 2 parts of DQ5 bacillus suspension, 1 part of DQ10 bacillus suspension, 1 to 2 parts of DQ11 enterobacter suspension, 1 part of DQ16 bacillus suspension, 0.5 to 1 part of DQ26 bacillus suspension, 1 part of DQ62 bacillus suspension and 0.5 to 1 part of DQ85 bacillus suspension. Compared with a single bacterial strain, the biological flora suspending agent has the advantages of simple building method, easy control, high repeatability and easy culture of selected bacterial strains.
Owner:SHANGHAI JIAO TONG UNIV
Graphic design work display device with circulating rolling function
ActiveCN114365933AShow stabilityImprove space utilizationShow shelvesShow hangersPhysicsGraphic design
The invention provides a graphic design work display device with a circulating rolling function, and relates to the technical field of display assembles.The graphic design work display device comprises a display assembly, a functional block is fixedly installed on the side face of a display board, and when the display assembly of the device displays all works in a rolling mode, the display assembly can be always kept in a vertical state; according to the device, the work can be displayed in an up-and-down circulating rolling mode without overturning, the device can be suitable for display of different types of functions, and the problems that an existing display device is only suitable for displaying thin and long works, and the display effect is poor are solved. The problems that when a large work is displayed in a rolling mode, a large overturning space needs to be reserved inside to ensure that the work is displayed in a normal overturning and rolling mode, the occupied space is large, the space utilization rate is low, and the displayed work falls accidentally due to the fact that the work is prone to fluctuating in an overturning and circulating mode are solved.
Owner:长春大学旅游学院
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